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LifeBook T4200 Series Tablet PC - Appendix A
Specifications
* “Wi-Fi based” indicates that the interconnectivity test of the organization which guarantees the interconnectivity of
wireless LAN (Wi-Fi Alliance) has been passed.
** The communication ranges shown above will increase or decrease depending on factors such as number of walls,
reflective material, or interference from external RF sources.
*** Encryption with network key (WEP) is performed using the above number of bits, however, users can set 40 bits/
104 bits after subtracting the fixed length of 24 bits.
**** Depending on practical environments, the allowable number of computers to be connected may be decreased.
Item Specifications
Type of network Conforms to IEEE 802.11a/802.11b/g (Wi-Fi based)*
Transfer rate (Automatic switching)
IEEE 802.11a/g: 54 Mbps maximum data rate
IEEE 802.11b: 11 Mbps maximum data rate
Active frequency 802.11b/g: 2400~2473 MHz
802.11a: 4900 ~ 5850 MHz
Number of channels 802.11a: 8 independent channels
802.11b/g: 11 channels, 3 non-overlapping channels
Typical operating distances** 802.11a: 40 ft. (12 m) @ 54 Mbps; 300 ft. (91 m) @ 6 Mbps
802.11b: 100 ft. (30 m) @ 11 Mbps; 300 ft. (91 m) @ 1 Mbps
802.11g: 100 ft. (30 m) @ 54 Mbps; 300 ft. (91 m) @ 1 Mbps
Security Encryption Types - WEP, TKIP, AES***
WPA 1.0 compliant
Encryption Keylengths Supported: 64 bits, 128 bits, and 152 bits
(Using AES encryption only)
802.1x/EAP
CCX 1.0 compliant
Maximum recommended number of computers to
be connected over wireless LAN (during ad hoc
connection)
10 units or less****
T Series.book Page 108 Thursday, September 14, 2006 5:24 PM